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Systems Engineer- Performance Improvement III
Systems Engineer- Performance Improvement III-March 2024
San Antonio
Mar 28, 2026
About Systems Engineer- Performance Improvement III

  Secure our Nation, Ignite your Future

  Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first! At ManTech International Corporation, you’ll help protect our National Security while working on innovative projects that offer opportunities for advancement.

  Currently, ManTech is seeking a motivated career and customer-oriented Systems Engineer- Performance Improvement III in San, Antonio, TX. Please note that while this position does sit in TX, the work can be done from any ManTech approved facility in the United States.

  The Systems Engineer- Performance Improvement's primary function is to evaluate and assess systems to determine how well they perform their intended functions or outcomes to support the implementation of new technologies. They apply their expertise to military command, control, communications, computers, cyber defense, and combat systems and intelligence, surveillance, and reconnaissance (C6ISR) systems and information technology (IT) systems or operations. This is a senior role with extensive experience improving the effectiveness of C6ISR and other IT systems and operations.

  Performance shall include:

  Complete onsite evaluations and inspect systems to measure, assess, and evaluate their internal operations’ existing performance metrics to targeted benchmarks or standards.

  Identify deficiencies or areas of weakness and summarize their findings in reports.

  Develop Performance Measurement Frameworks, including key performance indicators (KPI), technical performance measures (TPM), measures of performance (MOP), measures of effectiveness (MOE), goals, user productivity, and operational efficiencies and analyze the performance of a system or product against these measures, adapting their approach and framework appropriately and in line with any changes.

  Develop a strategy for improving the overall performance and productivity of a system.

  Understand quantitative analyses, data analytics, and mathematical models.

  This position may require 20% to 30% domestic and international travel.

  Supervise and mentor subordinate project and team ManTech staff.

  Required Education and Experience:

  A Bachelor's degree in Computer Engineering, Computer Science, or any related discipline.

  5 years of broad experience across the systems engineering lifecycle, including multiple lifecycles.

  2 years of systems engineering experience, with an understanding of the full lifecycle.

  4 years of experience leading systems-level analysis, requirements generation, integrating computer hardware/software development and software systems engineering, and modeling and simulation.

  A High School Diploma and 13 years of experience or an Associates and 11 years of experience will be accepted in lieu of a Degree.

  A candidate holding a relevant Master’s degree may be granted 2 years’ experience credit for that extra education. A candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education.

  Desired Education and Experience:

  A Master’s degree in Systems Engineering, Computer Science, Engineering, Electrical Engineering, or a related IT or engineering discipline.

  Object Management Group (OMG) Certified Systems Modeling Professional (OCSMP) Model User (MU) certification or higher.

  Experience hosting cloud-based and hybrid cloud/on-premises network solutions (e.g., Amazon Web Services (AWS), Microsoft Azure, Google Cloud platform, IBM cloud).

  Experience designing and developing cloud-native scalability and distributed applications that leverage microservice architecture.

  9 years of experience supporting Federal Government space system programs, regulations, rules, and governance-related research and development.

  Security Clearance:

  Secret Clearance is required.Physical Requirements:

  Must be able to remain in a stationary position 50%.

  Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  Frequently communicates with co-workers, management and customers, which may involve delivering presentations.

  Must be able to exchange accurate information in these situations.

  For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

  ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

  If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

  If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click [email protected] and provide your name and contact information.

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